National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Granby-Grand County Airport (KGNB)

Lat: 40.09°NLon: 105.92°WElev: 8207ft.

Light Snow

23°F

-5°C

Humidity 79%
Wind Speed SW 7 mph
Barometer 30.18 in
Dewpoint 17°F (-8°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 7 Dec 6:55 am MST
Extended Forecast for

3 Miles WSW East Portal CO

  • Today

    Today: A 40 percent chance of snow before 11am. Areas of blowing snow. Partly sunny and cold, with a steady temperature around 7. Wind chill values as low as -20. Windy, with a west wind 29 to 34 mph decreasing to 23 to 28 mph in the afternoon. Winds could gust as high as 50 mph. Total daytime snow accumulation of less than one inch possible.

    High: 7 °F

    Chance Snow
    and Areas
    Blowing Snow

  • Tonight

    Tonight: A 20 percent chance of snow after 11pm. Mostly cloudy, with a temperature rising to around 10 by 4am. Wind chill values as low as -14. Windy, with a west wind 23 to 25 mph, with gusts as high as 37 mph.

    Low: 7 °F⇑

    Slight Chance
    Snow and
    Windy

  • Monday

    Monday: A 50 percent chance of snow, mainly before 11am. Partly sunny, with a high near 15. Wind chill values as low as -10. Windy, with a west wind 23 to 26 mph, with gusts as high as 41 mph. New snow accumulation of around an inch possible.

    High: 15 °F

    Chance Snow
    and Breezy
    then Slight
    Chance Snow
    and Windy

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 11. Wind chill values as low as -10. Windy, with a west wind 28 to 32 mph, with gusts as high as 46 mph.

    Low: 11 °F

    Mostly Cloudy
    and Windy

  • Tuesday

    Tuesday: A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 23. Windy, with a west wind 30 to 34 mph, with gusts as high as 55 mph.

    High: 23 °F

    Chance Snow
    and Windy

  • Tuesday Night

    Tuesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 21. Windy.

    Low: 21 °F

    Chance Snow
    and Windy

  • Wednesday

    Wednesday: Snow likely. Mostly cloudy, with a high near 26. Very windy. Chance of precipitation is 60%.

    High: 26 °F

    Snow Likely
    and Very
    Windy

  • Wednesday Night

    Wednesday Night: Snow likely, mainly after 11pm. Mostly cloudy, with a low around 18. Windy.

    Low: 18 °F

    Snow Likely
    and Windy

  • Thursday

    Thursday: Snow likely. Mostly cloudy, with a high near 21. Windy.

    High: 21 °F

    Snow Likely
    and Windy

Detailed Forecast

Today
A 40 percent chance of snow before 11am. Areas of blowing snow. Partly sunny and cold, with a steady temperature around 7. Wind chill values as low as -20. Windy, with a west wind 29 to 34 mph decreasing to 23 to 28 mph in the afternoon. Winds could gust as high as 50 mph. Total daytime snow accumulation of less than one inch possible.
Tonight
A 20 percent chance of snow after 11pm. Mostly cloudy, with a temperature rising to around 10 by 4am. Wind chill values as low as -14. Windy, with a west wind 23 to 25 mph, with gusts as high as 37 mph.
Monday
A 50 percent chance of snow, mainly before 11am. Partly sunny, with a high near 15. Wind chill values as low as -10. Windy, with a west wind 23 to 26 mph, with gusts as high as 41 mph. New snow accumulation of around an inch possible.
Monday Night
Mostly cloudy, with a low around 11. Wind chill values as low as -10. Windy, with a west wind 28 to 32 mph, with gusts as high as 46 mph.
Tuesday
A 30 percent chance of snow, mainly after 11am. Partly sunny, with a high near 23. Windy, with a west wind 30 to 34 mph, with gusts as high as 55 mph.
Tuesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 21. Windy.
Wednesday
Snow likely. Mostly cloudy, with a high near 26. Very windy. Chance of precipitation is 60%.
Wednesday Night
Snow likely, mainly after 11pm. Mostly cloudy, with a low around 18. Windy.
Thursday
Snow likely. Mostly cloudy, with a high near 21. Windy.
Thursday Night
A chance of snow. Mostly cloudy, with a low around 16. Windy.
Friday
A chance of snow. Partly sunny, with a high near 20. Breezy.
Friday Night
Mostly cloudy, with a low around 13. Breezy.
Saturday
Mostly sunny, with a high near 22. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles WSW East Portal CO
 39.89°N 105.7°W (Elev. 11722 ft)
Last Update:
4:26 am MST Dec 7, 2025
Forecast Valid:
7am MST Dec 7, 2025-6pm MST Dec 13, 2025
 
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Additional Resources

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Chance of Precipitation